linux-kernel - [csky-linux:riscv_compat_v2_sv48_v3_xtpbmt 32/32] errata.c:undefined reference to `protection

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Date:   Thu, 30 Dec 2021 06:45:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Guo Ren <guoren@...ux.alibaba.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Liu Shaohua <liush@...winnertech.com>, Wei Fu <wefu@...hat.com>
Subject: [csky-linux:riscv_compat_v2_sv48_v3_xtpbmt 32/32] errata.c:undefined
 reference to `protection_map'

tree:   https://github.com/c-sky/csky-linux riscv_compat_v2_sv48_v3_xtpbmt
head:   ff10a70d2ed4fbef7238b315145d1aa0d137f80f
commit: ff10a70d2ed4fbef7238b315145d1aa0d137f80f [32/32] riscv: errata: pgtable: Add custom Svpbmt supported for Allwinner D1
config: riscv-nommu_k210_defconfig (https://download.01.org/0day-ci/archive/20211230/202112300625.f6BEYh5d-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/c-sky/csky-linux/commit/ff10a70d2ed4fbef7238b315145d1aa0d137f80f
        git remote add csky-linux https://github.com/c-sky/csky-linux
        git fetch --no-tags csky-linux riscv_compat_v2_sv48_v3_xtpbmt
        git checkout ff10a70d2ed4fbef7238b315145d1aa0d137f80f
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   riscv64-linux-ld: arch/riscv/errata/thead/errata.o: in function `.L0 ':
>> errata.c:(.init.text+0x22): undefined reference to `protection_map'
>> riscv64-linux-ld: errata.c:(.init.text+0x2a): undefined reference to `protection_map'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SERIAL_8250_DW
   Depends on TTY && HAS_IOMEM && SERIAL_8250
   Selected by
   - ERRATA_THEAD && RISCV_ERRATA_ALTERNATIVE

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org